Flashing LED or a 555

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Barkergcat
Posts: 1
Joined: Fri Mar 02, 2012 1:07 pm

Flashing LED or a 555

Post by Barkergcat » Fri Mar 02, 2012 1:25 pm

Hi clever ones I need some advice please. I am quite new to electronics and want to start off on some basics. I want to make a flashing LED circuit. I have looked at the circuits that use a 555 chip and they look fine but I have noticed in Maplins (can I say that?) that they sell a Red Flashing UB 10mm LED. If I connect that to a power supply will it simply flash? and if not what's it for? Can I blow it if I get the polarity wrong? Thanks in advance. :)

happy
Posts: 1
Joined: Tue Sep 30, 2014 5:34 am

Re: Flashing LED or a 555

Post by happy » Tue Sep 30, 2014 5:46 am

Hi people I'm wondering if I could get some help. using pwm method with Arduino i am getting a dim light when it should be completely off the code is correct but i think it maybe the circuit.
happy

Richard
Posts: 44
Joined: Thu Mar 12, 2015 10:45 am

Re: Flashing LED or a 555

Post by Richard » Wed Mar 25, 2015 4:48 pm

Why not ask Maplins?

piratepaul
Posts: 421
Joined: Mon May 20, 2013 2:45 pm

Re: Flashing LED or a 555

Post by piratepaul » Sat May 02, 2015 1:24 pm

No point asking maplins because they delete any thing that does not make them look good, if you ask something they change the question or answer... I hate that.
You may as well be talking to their sales team, they tell you their stuff is good and delete any contrary view.

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